UBUNTU-CVE-2026-124586: Medium severity ubuntu/rapidjson vulnerability

Published Nov 9, 2026
·
Updated

A vulnerability was determined in Tencent RapidJSON 1.1.0. Impacted is the function GetCachedPowerByIndex in the library include/rapidjson/internal/diyfp.h. This manipulation of the argument decimalPosition causes out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Affected Software

7 affected components
ubuntu/rapidjson*
ubuntu/rapidjson*
ubuntu/rapidjson*
ubuntu/rapidjson*
ubuntu/rapidjson*
ubuntu/rapidjson*
ubuntu/rapidjson*

Event History

Nov 9, 2026
CVE Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

Does exploitation require authentication or user interaction?

No. The reported vector is network-accessible with low attack complexity, requires no privileges or user interaction, and can be initiated remotely.

2

Is exploit code publicly available?

Yes. The exploit has been publicly disclosed and may be used.

3

What component and version should be checked?

Check for Tencent RapidJSON version 1.1.0, specifically use of the affected GetCachedPowerByIndex function in include/rapidjson/internal/diyfp.h. The listed Ubuntu software package is rapidjson.

Contact

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